diff --git a/pkgs/tools/inputmethods/fcitx5/fcitx5-unikey.nix b/pkgs/tools/inputmethods/fcitx5/fcitx5-unikey.nix
index d2d02843c93e..a1a077264b3a 100644
--- a/pkgs/tools/inputmethods/fcitx5/fcitx5-unikey.nix
+++ b/pkgs/tools/inputmethods/fcitx5/fcitx5-unikey.nix
@@ -6,7 +6,7 @@
 , fcitx5
 , fcitx5-qt
 , gettext
-, wrapQtAppsHook
+, qtbase
 }:
 
 stdenv.mkDerivation rec {
@@ -20,9 +20,23 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-wrsA0gSexOZgsJunozt49GyP9R3Xe2Aci7Q8p3zAM9Q=";
   };
 
-  nativeBuildInputs = [ cmake extra-cmake-modules wrapQtAppsHook ];
+  nativeBuildInputs = [
+    cmake
+    extra-cmake-modules
+  ];
 
-  buildInputs = [ fcitx5 fcitx5-qt gettext ];
+  buildInputs = [
+    qtbase
+    fcitx5
+    fcitx5-qt
+    gettext
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "USE_QT6" (lib.versions.major qtbase.version == "6"))
+  ];
+
+  dontWrapQtApps = true;
 
   meta = with lib; {
     description = "Unikey engine support for Fcitx5";
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index a5296a47bd51..a66e3da5a316 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -322,6 +322,7 @@ mapAliases ({
   fcitx-configtool = throw "fcitx-configtool is deprecated, please use fcitx5 instead."; # Added 2023-03-13
 
   fcitx5-skk-qt = libsForQt5.fcitx5-skk-qt; # Added 2024-03-01
+  fcitx5-unikey = libsForQt5.fcitx5-unikey; # Added 2024-03-01
 
   ### G ###
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c661f92d8570..191e8b385428 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8058,8 +8058,6 @@ with pkgs;
 
   fcitx5-skk = qt6Packages.callPackage ../tools/inputmethods/fcitx5/fcitx5-skk.nix { };
 
-  fcitx5-unikey = libsForQt5.callPackage ../tools/inputmethods/fcitx5/fcitx5-unikey.nix { };
-
   fcitx5-configtool = libsForQt5.callPackage ../tools/inputmethods/fcitx5/fcitx5-configtool.nix { };
 
   fcitx5-anthy = callPackage ../tools/inputmethods/fcitx5/fcitx5-anthy.nix { };
diff --git a/pkgs/top-level/qt5-packages.nix b/pkgs/top-level/qt5-packages.nix
index f00d65d22488..bfde2a2c79ef 100644
--- a/pkgs/top-level/qt5-packages.nix
+++ b/pkgs/top-level/qt5-packages.nix
@@ -102,6 +102,8 @@ in (noExtraAttrs (kdeFrameworks // plasmaMobileGear // plasma5 // plasma5.thirdP
 
   fcitx5-skk-qt = callPackage ../tools/inputmethods/fcitx5/fcitx5-skk.nix { enableQt = true; };
 
+  fcitx5-unikey = callPackage ../tools/inputmethods/fcitx5/fcitx5-unikey.nix { };
+
   futuresql = callPackage ../development/libraries/futuresql { };
 
   qgpgme = callPackage ../development/libraries/gpgme { };
diff --git a/pkgs/top-level/qt6-packages.nix b/pkgs/top-level/qt6-packages.nix
index d99ad26aa2fc..992b8be11825 100644
--- a/pkgs/top-level/qt6-packages.nix
+++ b/pkgs/top-level/qt6-packages.nix
@@ -36,6 +36,8 @@ makeScopeWithSplicing' {
 
   fcitx5-skk-qt = callPackage ../tools/inputmethods/fcitx5/fcitx5-skk.nix { enableQt = true; };
 
+  fcitx5-unikey = callPackage ../tools/inputmethods/fcitx5/fcitx5-unikey.nix { };
+
   kdsoap = callPackage ../development/libraries/kdsoap { };
 
   kcolorpicker = callPackage ../development/libraries/kcolorpicker { };